area of low pressure is gaining steam in the pacific and when it dies out wednesday, a drop in temperatures. south bay today mid to upper 70s. cupertino 74. on the peninsula low to mid-70s with millbrae 71, menlo park 62. sunshine along the coast this afternoon. downtown south san francisco and sausalito near 70. sunshine and mid-60s at your north bay beaches with temperatures 10 to 15 degrees warmer in the valleys. mid to upper 70s there. everybody in the low to mid-70s east bay shore, the exception berkeley and richmond, mid to upper 60s. east bay valleys, sunshine and temperatures near 80 around fairfield and antioch. 80 brendwood. about 75 the cool spot in dublin. around the monterey bay, sunshine hanging around here, 74 santa cruz. and also salinas, 76 watsonville. a little warmer inland, upper 70s to low 80s. not bad monterey and carmel.